<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width"/>
    <title>Document</title>
    <style>
        body{
            background-color: beige;
        }
    </style>
</head>
<body>
<!-- 点击上传文件按钮 -->
<input type="file" value="file"></br>
</body>
</html>